Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser lower unit outdrive parts drawing #1 to 24

GLM aftermarket outdrive layout with exploded view illustrated lower unit parts drawing

  • GLM products are completely compatible and interchangeable with Mercruiser components.
  • GLM has committed to producing high quality and cost effective aftermarket Mercruiser parts for the past two decades
    New to our lower unit product line are Mercruiser propellers and hub sets.
  • Tech support Exploded view Mercruiser outdrive drawings

Mercruiser MC-1-R parts drawing

Mercruiser MC-1-R lower unit gearcase parts drawing years 1972 to 1982

Mercruiser propeller

Mercruiser propeller

A
Propellers from Solas
18100 Alpha 1 lower unit complete

18100 Alpha 1 lower unit complete

1B
P/N 18100
GLM Marine aftermarket complete lower unit outdrive years 1972 to 1990 with 2 year limited warranty. No core deposit required. $1499.95

87510 Seal kit lower gearcase

87510 Seal kit lower gearcase

A
P/N 87510
Seal and gasket kit $42.95

25125 Alpha gears bearings shims 13-21

25125 Alpha gears bearings shims 13-21

B
# 25115 Seals, bearings and gear set parts
43-803079T1 $999.95

25110 shims bearings upper gearcase

25110 shims bearings upper gearcase

C
# 25110 Seal, shims and bearings set
31-803068T1 $233.95

12110 water pump

12110 water pump

D
#12110
Water pump set use with engine serial numbers 2791957 to 8225576. Approximate years 1970 to 1983 please check serial number to be sure $39.95

12130 serial number 2062141 to 2791956

12130 serial number 2062141 to 2791956

E
# 12130 Mercruiser water pump kit with engine serial numbers 2062141 to 2791956. Approximate years 1967 to 1969 please check serial number to be sure $70.95

12410 housing

12410 housing

2
# 12410 Water pump housing $29.95

12810 Cup OEM 48752

12810 Cup OEM 48752

# 12810 Water pump cup for the MC-1/R $5.95

89840

89840

4
# 89840
Impeller $13.95

21720 Alpha 1 washers

21720 Alpha 1 washers

5
# 21720
Washers - parts sold in units of three $4.95

12821 Bolt

12821 Bolt

 

6
P/N 12821
Screw for the water pump cover $10.95

21180-lock-nuts.JPG

21180 lock nuts

7
# 21180
Nuts *5 units $6.95

12830

12830

8
#
12830 Seal
12820 guide tube

12820 guide tube

9
# 12820
Guide tube for MC-1/R/MR $6.95

81160 o-ring for drive shaft

81160 o-ring for drive shaft

10
# 81160
O-ring $4.95
21190 lock nuts

21190 lock nuts

11
P/N 21190
Nuts (5 parts included) OEM 11-13436 $9.95

21490 Washers

21490 Washers

12
# 21490
Washers *10 units $15.95

11070 Alpha 1 Impeller key

11070 impeller key

13
# 11070 Key *1 unit
28-56654 $9.95

31020

31020

Item 14
P/N 31020
Gasket water pump gasket

12510 impeller wear plate

12510 impeller wear plate

15
# 12510
wear plate
31010 lower wear plate gasket

31010 lower wear plate gasket

16
# 31010
Gasket
 
17
# 12310
Water pump base

85040 oil seal

18
# 85040
Oil seal $9.95
85070 oil seal

85070 oil seal

19
# 85070
Oil seal $10.95
81390 o ring water pump base

81390 o ring water pump base

20
# 82260
O-ring
31040 pump base to gear housing

31040 pump base to gear housing

21
# 31040
Gasket

21570 bearing

21570 1970-1983 OEM 31-53079A1
22
# 21570
Roller bearing $24.95

23300 shim kit

23300 shim

P/N 23300
Shim parts set *5 unit $7.95

21800 washers

21800 washers

24
# 21800
Washer *5 units #12-29395 $4.95